@article{10_4064_aa125_2_3,
     author = {Maosheng Xiong and Alexandru Zaharescu},
     title = {A problem of {Erd\H{o}s{\textendash}Sz\"usz{\textendash}Tur\'an} on diophantine
approximation},
     journal = {Acta Arithmetica},
     pages = {163--177},
     publisher = {mathdoc},
     volume = {125},
     number = {2},
     year = {2006},
     doi = {10.4064/aa125-2-3},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa125-2-3/}
}